The Virtual Instrument Software Architecture (VISA) is a standard for configuring, programming, and troubleshooting instrumentation systems comprising GPIB, VXI, PXI, Serial, Ethernet, and/or USB interfaces. VISA provides the programming interface between the hardware and development environments such as C, Matlab�, and Microsoft� .NET. VISA has been adopted as the standard across the Applied Radar, Inc. product line. With VISA, you can feel confident that your software development will not become obsolete as your instrumentation interface hardware needs evolve into the future.